chore(deps): bump ubi8/ubi from `a910ffa` to `a463a8e` (#5099)

Bumps ubi8/ubi from `a910ffa` to `a463a8e`.

---
updated-dependencies:
- dependency-name: ubi8/ubi
  dependency-version: a463a8eb2e360f83a7f6baf32c53f7a07c13ff012658a203a7f5331fe93a4924
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Gustavo Fernandes de Carvalho <17139678+gusfcarvalho@users.noreply.github.com>

Dockerfile.ubi

@@ -1,4 +1,4 @@
-FROM registry.access.redhat.com/ubi8/ubi@sha256:a910ffa70b1481121db5051432dea04aab0ba7150ffe4870c5b55e15427ea6c1 AS minimal-ubi
+FROM registry.access.redhat.com/ubi8/ubi@sha256:a463a8eb2e360f83a7f6baf32c53f7a07c13ff012658a203a7f5331fe93a4924 AS minimal-ubi
 
 # Add metadata
 LABEL maintainer="cncf-externalsecretsop-maintainers@lists.cncf.io" \